CN219739066U - Thermal management component, battery and power utilization device - Google Patents

Abstract

The utility model provides a thermal management component, a battery and an electric device, wherein the thermal management component comprises a first heat exchange plate, a second heat exchange plate and a partition plate, and the partition plate is laminated between the first heat exchange plate and the second heat exchange plate; wherein, the division plate is bent for a plurality of times to form an undulating structure; the partition plate and the first heat exchange plate are clamped to form a plurality of first heat exchange flow passages; the partition plate and the second heat exchange plates are clamped to form a plurality of second heat exchange flow passages. According to the heat management component, the battery and the power utilization device, the first heat exchange plate, the second heat exchange plate and the partition plate form the sandwich type heat management component, and heat exchange media can flow through two opposite sides of the partition plate, so that the heat dissipation efficiency of the corresponding heat management component is improved, and the cycle life of a battery monomer is prolonged.

Description

Thermal management component, battery and power utilization device

Technical Field

The present utility model relates to the field of batteries, and in particular, to a thermal management component, a battery, and an electrical device.

Background

In the field of new energy batteries, the heat dissipation of the battery is an important index for influencing the effects of the new energy battery, such as the service life of the battery, the endurance mileage and the like. In some schemes, the heat dissipation of the battery is carried out by clamping adjacent battery cells through a heat management component, and the structural design and improvement of the heat management component are important factors related to the heat dissipation effect of the battery. The existing thermal management component has the problem that the heat dissipation effect needs to be improved.

Disclosure of Invention

The utility model mainly solves the technical problem that the heat dissipation effect of the traditional heat management component needs to be improved.

In order to solve the technical problems, the utility model adopts a technical scheme that: in a first aspect, a thermal management component comprises:

a first heat exchange plate;

a second heat exchange plate;

the separation plate is stacked between the first heat exchange plate and the second heat exchange plate;

wherein, the division plate is bent for a plurality of times to form an undulating structure; the partition plate and the first heat exchange plate are clamped to form a plurality of first heat exchange flow passages; the partition plate and the second heat exchange plates are clamped to form a plurality of second heat exchange flow passages.

In one or more embodiments of the present utility model, the first heat exchange plate and the second heat exchange plate with compact shapes are convenient for assembling the battery together with the adjacent battery cells on one hand, and on the other hand, are convenient for uniformly receiving the stress transmitted by the adjacent battery cells and the heat emitted, thereby being beneficial to improving the cycle life of the battery cells. The partition plate with complex modeling is used for being clamped with the first heat exchange plate and the second heat exchange plate to form a plurality of first heat exchange flow passages and second heat exchange flow passages, so that the flow resistance of heat exchange media can be reduced, and the heat dissipation efficiency is improved. The first heat exchange plate, the second heat exchange plate and the partition plate form a sandwich type heat management component, heat exchange media can flow through two opposite sides of the partition plate, heat dissipation efficiency of the corresponding heat management component is improved, and cycle life of the battery unit is prolonged.

In some embodiments, the surface of the first heat exchange plate remote from the separation plate and the surface of the second heat exchange plate remote from the separation plate are both planar and parallel to each other.

In one or more embodiments of the present utility model, the surfaces of the first heat exchange plate far from the partition plate and the surfaces of the second heat exchange plate far from the partition plate are both planes and parallel to each other, which is beneficial to improving the contact area between the first heat exchange plate and the adjacent battery cells and improving the heat dissipation efficiency of the thermal management component; on the other hand, the shape of the thermal management component is concise and regular, the thermal management component is convenient to clamp between adjacent battery monomers, the problem of stress concentration is reduced, the integral thickness of the thermal management component is reduced, the increase of the assembly quantity of the battery monomers is facilitated, and the improvement of the energy density of the corresponding battery is facilitated; in addition, the modeling process of the first heat exchange plate and the second heat exchange plate is also facilitated to be simplified.

In some embodiments, the separator plate has a first surface adjacent to the first heat exchanger plate and a second surface adjacent to the second heat exchanger plate; a part of the first surface is recessed to one side of the second heat exchange plate to form a plurality of grooves; the part of the second surface corresponding to the groove protrudes to one side of the second heat exchange plate to form a plurality of raised strips; a gap is arranged between two adjacent convex strips; the first heat exchange plate covers the plurality of grooves to form a plurality of first heat exchange flow passages; the second heat exchange plate covers the plurality of gaps to form a plurality of second heat exchange flow passages.

In one or more embodiments of the present utility model, the partition plate is sandwiched with the first heat exchange plate and the second heat exchange plate to form a plurality of first heat exchange channels and second heat exchange channels, so that heat exchange media can flow through both sides of the partition plate which are oppositely arranged, which is beneficial to improving the heat dissipation efficiency of the corresponding heat management component, reducing the flow resistance of the heat exchange media and improving the heat dissipation efficiency.

In some embodiments, at least one of a surface of the first heat exchange plate proximate to the divider plate and a surface of the second heat exchange plate proximate to the divider plate is planar; the area of the first surface except the grooves is a plane and is attached to the first heat exchange plate; and/or, the second surface forms a plane on the top of the convex strips so as to be attached to the second heat exchange plate.

In one or more embodiments of the present utility model, the firmness degree of the combination of the partition plate with the first heat exchange plate and the second heat exchange plate is increased through the arrangement between the partition plate and the first heat exchange plate and the second heat exchange plate.

In some embodiments, the surface of the first heat exchange plate near the partition plate and the surface of the second heat exchange plate near the partition plate are both planar and parallel to each other, and the bottom surface of the groove is planar and is arranged parallel to the top surface of the raised strip.

In one or more embodiments of the present utility model, the bottom surface of the groove is a plane and is parallel to the top surface of the protruding strip, so as to simplify the manufacturing process of the groove and the protruding strip. In some embodiments, the first surface is concave into a groove and the second surface is convex into a convex strip through a stamping process, wherein the bottom surface of the groove is planar and is parallel to the top surface of the convex strip.

In some embodiments, the thickness of the divider plate ranges from 0.2mm to 30mm.

In one or more embodiments of the present utility model, the separator plate is provided with a smaller thickness, such that the thickness of the corresponding thermal management component is smaller, increasing the overall energy density of the battery. And the thickness of the separation plate is smaller, so that the thermal resistance between the heat exchange medium filled in the first heat exchange flow channel and the heat exchange medium filled in the second heat exchange flow channel is reduced, and the heat dissipation efficiency is improved.

In some embodiments, the thermal management component includes a first edge and a second edge disposed opposite in a length direction or a width direction; at least one of the plurality of first heat exchange flow channels extends from a first edge to a second edge; and/or at least one of the plurality of second heat exchange flow channels extends from the first edge to the second edge.

In one or more embodiments of the present utility model, by extending at least one of the plurality of first heat exchange channels from the first edge to the second edge and/or extending at least one of the plurality of second heat exchange channels from the first edge to the second edge, a space through which a heat exchange medium can circulate is increased, so that heat exchange for the battery cells can be achieved in a direction in which the plurality of first heat exchange channels and/or the plurality of second heat exchange channels point to the second edge along the first edge, and a heat dissipation balance degree of the thermal management component is improved.

In some embodiments, at least one of the plurality of first heat exchange flow channels meanders from the first edge to the second edge; and/or at least one of the plurality of second heat exchange flow channels meanders from the first edge to the second edge.

In one or more embodiments of the present utility model, at least one of the plurality of first heat exchange channels and the plurality of second heat exchange channels extends from the first edge to the second edge in a meandering manner, so that a heat exchange path of the first heat exchange channel and/or the second heat exchange channel is increased, which is beneficial to improving a heat dissipation effect of a corresponding thermal management component.

In some embodiments, the first edge and the second edge are parallel to each other; the plurality of first heat exchange flow passages and the plurality of second heat exchange flow passages each include a straight section perpendicular to the first edge.

In one or more embodiments of the present utility model, a specific scheme of meandering of the first heat exchange flow channel/the second heat exchange flow channel is provided to increase a heat exchange path of the first heat exchange flow channel/the second heat exchange flow channel, so as to improve a heat dissipation effect of the corresponding thermal management component.

In some embodiments, the plurality of first heat exchange flow channels are axisymmetrically distributed and/or the plurality of second heat exchange flow channels are axisymmetrically distributed.

In one or more embodiments of the present utility model, by arranging the first heat exchange channels and/or the second heat exchange channels in axisymmetric distribution, the regularity of the design of the first heat exchange channels and/or the second heat exchange channels is increased, so that a greater number of first heat exchange channels and/or second heat exchange channels can be conveniently arranged.

In a second aspect, embodiments of the present utility model provide a battery including:

any of the thermal management components as provided in the first aspect;

at least two oppositely arranged battery cells;

wherein the thermal management component is disposed between two adjacent battery cells.

In one or more embodiments of the present utility model, by providing a battery including any of the thermal management components provided in the embodiments of the present utility model, the overall heat dissipation effect of the battery can be effectively improved, the overall performance degradation of the battery due to poor heat dissipation and even the situation of causing a safety accident can be reduced, the safety coefficient of the battery can be further improved, and the application field of the battery can be enlarged; the thickness of the thermal management component is thinner, so that the assembly quantity of battery monomers in the battery is increased, and the energy density of the battery is improved.

In a third aspect, embodiments of the present utility model provide an electrical device comprising a battery as provided in the second aspect, the battery being configured to provide electrical energy.

In one or more embodiments of the present utility model, by providing an electric device including the battery provided by the embodiments of the present utility model, performance indexes such as a heat dissipation effect and a safety factor of the electric device are improved, and service life of the electric device is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a thermal management component provided by an embodiment of the present utility model;

FIG. 2 is a schematic illustration of an exploded construction of the thermal management component provided in FIG. 1;

FIG. 3 is a schematic side view of the divider plate in one direction of the thermal management component provided in FIG. 1;

FIG. 4 is a schematic side view of the divider plate of the thermal management component provided in FIG. 1, in another direction;

fig. 5 is a schematic view of a structure of a battery provided by an embodiment of the present utility model;

fig. 6 is a schematic structural diagram of an electric device according to an embodiment of the present utility model.

Reference numerals illustrate:

100-heat management component, 200-battery cell, 300-heat exchange liquid, 400-battery, 500-electric automobile, 10-first heat exchange plate, 20-second heat exchange plate, 30-partition plate, 41-first heat exchange flow channel, 42-second heat exchange flow channel, 31-first surface, 32-second surface, 311-groove, 321-convex strip, 322-gap, 101-first edge, 102-second edge, 311 a-straight part, 311 b-bending part, 501-controller, 502-motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The terms "first," "second," "third," and the like in this disclosure are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In some schemes, the heat management component is manufactured by adopting an aluminum profile extrusion process, a profile middle cavity is used as a heat exchange medium flow passage, and is limited by the extrusion process, only a straight heat exchange medium flow passage can be manufactured, and the heat exchange liquid flow rate of the local area is difficult to increase in a high-temperature area according to the actual temperature rise condition of the battery monomer, so that the heat exchange effect is poor; and the thermal management component is limited by the extrusion process, the thickness is generally thicker, the total energy density of the battery pack is reduced, the thicker wall thickness increases the thermal resistance between the battery monomer and the heat exchange medium, and the heat dissipation effect is reduced. In some schemes, the heat-exchanging medium runner is punched by two plates, and the punched two plates are glued or welded to obtain the heat-exchanging medium runner.

Therefore, the embodiment of the utility model provides an improved thermal management component, which is formed by a first heat exchange plate, a second heat exchange plate and a partition plate, wherein heat exchange media can flow through two opposite sides of the partition plate, so that the heat dissipation efficiency of the corresponding thermal management component is improved, and the cycle life of a battery cell is prolonged.

The technical scheme described by the embodiment of the utility model is suitable for the thermal management component, the battery and the power utilization device. The thermal management component disclosed by the utility model can be used in the field of lithium ion secondary batteries, and can also be used in other fields, such as the field of sodium ion secondary batteries, and is specifically arranged according to requirements.

The present utility model will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1-2, fig. 1 is a schematic structural diagram of a thermal management component according to an embodiment of the present utility model, and fig. 2 is an exploded structural diagram of the thermal management component according to fig. 1.

Referring to fig. 1-2, an embodiment of the present utility model provides a thermal management component 100 including a first heat exchange plate 10, a second heat exchange plate 20, and a partition plate 30. The partition plate 30 is laminated between the first heat exchange plate 10 and the second heat exchange plate 20. Wherein the partition plate 30 is bent several times to form a relief structure. The partition plate 30 is sandwiched between the first heat exchange plates 10 to form a plurality of first heat exchange flow passages 41. The partition plate 30 is sandwiched between the second heat exchange plates 20 to form a plurality of second heat exchange flow passages 42.

In the embodiments of the present utility model: the heat management component 100 is applied to heat dissipation of a new energy battery, and is an important component for guaranteeing the effects of battery life, endurance mileage and the like of the new energy battery, and the improvement of the heat dissipation effect is an important direction of technical innovation. The first heat exchange plate 10 is used to contact the battery cell to transfer heat transferred from the battery cell through the contact to the heat exchange medium. The second heat exchange plate 20 is used to contact another battery cell to transfer heat transferred from the battery cell through the contact to the heat exchange medium. The partition plate 30 is used to form a heat exchange medium flow path for the heat exchange medium to flow through with the first heat exchange plate 10 and the second heat exchange plate 20. The partition plate 30 is laminated between the first heat exchange plate 10 and the second heat exchange plate 20, and is sandwiched between the first heat exchange plate 10 and the second heat exchange plate 20 to form the thermal management component 100, and the thickness of the thermal management component 100 and the structural design of the heat exchange medium flow passage of the thermal management component 100 have important effects on the heat exchange effect of the thermal management component 100. The partition plate 30 is bent for multiple times to form an undulating structure, and is used for sandwiching the first heat exchange plate 10 and the second heat exchange plate 20 to form a heat exchange medium flow channel for heat exchange medium circulation. In some embodiments, the separator plate 30 is formed into a relief structure by a stamping process, and it is understood that the process of bending the separator plate 30 multiple times to form a relief structure is sufficient. The first heat exchange flow channel 41 is mainly used for receiving heat transferred from the battery cell through the first heat exchange plate 10 and transferring the heat out through a corresponding outgoing mechanism. It will be appreciated that the first heat exchanging channel 41 may also receive heat transferred from the battery cells adjacent to the second heat exchanging plate 20 through the second heat exchanging plate 20. The second heat exchange flow channel 42 is mainly used for receiving heat transferred from the battery cell through the second heat exchange plate 20 and transferring the heat out through a corresponding outgoing mechanism. It will be appreciated that the second heat exchange flow path 42 may also receive heat transferred from the battery cells adjacent to the first heat exchange plate 10 through the first heat exchange plate 10.

In one or more embodiments of the present utility model, the first heat exchange plate 10 and the second heat exchange plate 20 with compact shapes are convenient for assembling the battery together with the adjacent battery cells on one hand, and are convenient for uniformly receiving the stress transferred by the adjacent battery cells and the emitted heat on the other hand, thereby being beneficial to prolonging the cycle life of the battery cells. The partition plate 30 with complex shape is used for being clamped with the first heat exchange plate 10 and the second heat exchange plate 20 to form a plurality of first heat exchange flow passages 41 and second heat exchange flow passages 42, which can be beneficial to reducing the flow resistance of heat exchange medium and improving the heat dissipation efficiency. The first heat exchange plate 10, the second heat exchange plate 20 and the partition plate 30 form the sandwich type heat management component 100, and heat exchange media can flow through two opposite sides of the partition plate 30, so that the heat dissipation efficiency of the corresponding heat management component 100 is improved, and the cycle life of a battery monomer is prolonged.

In some embodiments, with continued reference to fig. 1, the surface of the first heat exchange plate 10 facing away from the separator plate 30 and the surface of the second heat exchange plate 20 facing away from the separator plate 30 are both planar and parallel to each other.

In the embodiment of the present utility model, "the surface of the first heat exchange plate 10 remote from the partition plate 30" means the surface of the first heat exchange plate 10 that contacts the adjacent battery cells. "the surface of the second heat exchange plate 20 away from the partition plate 30" means the surface of the second heat exchange plate 20 that contacts the adjacent battery cell. The surface of the first heat exchange plate 10 far away from the partition plate 30 and the surface of the second heat exchange plate 20 far away from the partition plate 30 are both planes, which is beneficial to improving the contact area between the first heat exchange plate 10 and the second heat exchange plate 20 and the adjacent battery cells and improving the heat dissipation efficiency of the thermal management component 100; on the other hand, the thermal management component 100 has a compact shape and is convenient to clamp between adjacent battery cells; it is also advantageous to simplify the molding process of the first heat exchange plate 10 and the second heat exchange plate 20. The 'surfaces of the first heat exchange plate 10 far from the partition plate 30 and the surfaces of the second heat exchange plate 20 far from the partition plate 30 are both planar and parallel to each other' further makes the shape of the thermal management part 100 regular, is convenient to reduce the overall thickness of the thermal management part 100, is beneficial to increase the number of assembled battery cells due to the reduction of the thickness of the thermal management part 100, and is beneficial to the improvement of the energy density of the corresponding battery. In some embodiments, the surface of the first heat exchange plate 10 away from the partition plate 30 and the surface of the second heat exchange plate 20 away from the partition plate 30 are both planar and parallel to each other and also parallel to the surface of the housing of the adjacent battery cell, so as to facilitate further improving the fitting degree of the thermal management component 100 to the battery cell assembly.

In one or more embodiments of the present utility model, the surface of the first heat exchange plate 10 far from the partition plate 30 and the surface of the second heat exchange plate 20 far from the partition plate 30 are both planar and parallel to each other, which is beneficial to improving the contact area between the first heat exchange plate 10 and the second heat exchange plate 20 and the adjacent battery cells, and improving the heat dissipation efficiency of the thermal management component 100; on the other hand, the heat management component 100 has a compact and regular shape, is convenient to clamp between adjacent battery cells, reduces the occurrence of stress concentration, reduces the overall thickness of the heat management component 100, is beneficial to the increase of the assembly quantity of the battery cells and the improvement of the energy density of the corresponding battery; it is also advantageous to simplify the molding process of the first heat exchange plate 10 and the second heat exchange plate 20.

Referring to fig. 3, fig. 3 is a schematic side view of a partition plate in a direction of the thermal management component provided in fig. 1.

In some embodiments, referring to fig. 3, the partition plate 30 has a first surface 31 adjacent to the first heat exchanger plate 10 and a second surface 32 adjacent to the second heat exchanger plate 20. A portion of the first surface 31 is recessed toward the side of the second heat exchange plate 20 to form a plurality of grooves 311. The portion of the second surface 32 corresponding to the groove 311 protrudes toward the second heat exchange plate 20 side to form a plurality of protruding bars 321. A gap 322 is provided between two adjacent convex strips 321. Referring to fig. 1-3 in combination, the first heat exchange plate 10 covers the plurality of grooves 311 to form a plurality of first heat exchange flow passages 41. The second heat exchange plate 20 covers the plurality of gaps 322 to form a plurality of second heat exchange flow passages 42.

In the embodiments of the present utility model: the recess 311 is for being covered by the first heat exchange plate 10 to form the first heat exchange flow passage 41. Along the lamination direction of the first heat exchange plate 10, the partition plate 30, and the second heat exchange plate 20, the portion of the second surface 32 corresponding to the groove 311 forms a convex line 321. The arrangement of the grooves 311 and the protrusions 321 indicates that the second surface 32 changes with the change of the first surface 31. The gap 322 is recessed with respect to the adjacent two protrusions 321 for being covered by the second heat exchange plate 20 to form the second heat exchange flow passage 42. In some embodiments, the arrangement of the plurality of grooves 311 (such as the shape, width, number and distribution of the grooves 311) may be adjusted according to the over-current temperature rise condition of the battery cells adjacent to the thermal management component 100, so as to form the difference of heat exchange flow rates of the respective regions, so as to ensure that the regions with higher heat can obtain more heat exchange flow rates. It is understood that the arrangement of the plurality of protruding bars 321 varies with the arrangement of the plurality of grooves 311.

In one or more embodiments of the present utility model, the partition plate 30 is sandwiched with the first heat exchange plate 10 and the second heat exchange plate 20 to form a plurality of first heat exchange channels 41 and second heat exchange channels 42, so that heat exchange media can flow through both sides of the partition plate 30, which is opposite to each other, thereby being beneficial to improving the heat dissipation efficiency of the corresponding thermal management component 100, reducing the flow resistance of the heat exchange media, and improving the heat dissipation efficiency.

In some embodiments, referring to fig. 1-3, at least one of the surface of the first heat exchange plate 10 adjacent to the partition plate 30 and the surface of the second heat exchange plate 20 adjacent to the partition plate 30 is planar. The first surface 31 is planar except for the plurality of grooves 311 and is bonded to the first heat exchange plate 10. The second surface 32 forms a plane on top of the plurality of protrusions 321 to be attached to the second heat exchange plate 20.

In some embodiments, the surface of the first heat exchange plate 10 adjacent to the partition plate 30 is a plane, and the surface of the second heat exchange plate 20 adjacent to the partition plate 30 is a curved surface. In some embodiments, the surface of the first heat exchange plate 10 adjacent to the partition plate 30 is curved, and the surface of the second heat exchange plate 20 adjacent to the partition plate 30 is planar. In some embodiments, the surface of the first heat exchanger plate 10 adjacent to the partition plate 30 and the surface of the second heat exchanger plate 20 adjacent to the partition plate 30 are both planar. The areas of the first surface 31 excluding the plurality of grooves 311 are planar, so that the area of the first heat exchange plate 10 to be bonded thereto is increased, and the degree of firmness of the bonding with the first heat exchange plate 10 is increased. The second surface 32 forms a plane at the top of the plurality of protruding bars 321 to be attached to the second heat exchange plate 20, so as to increase the firmness of the combination with the second heat exchange plate 20.

In one or more embodiments of the present utility model, the degree of firmness of the combination of the partition plate 30 with the first heat exchange plate 10 and the second heat exchange plate 20, respectively, is increased by the arrangement between the partition plate 30 and the first heat exchange plate 10 and the second heat exchange plate 20.

In some embodiments, referring to fig. 3, the surface of the first heat exchange plate 10 near the partition plate 30 and the surface of the second heat exchange plate 20 near the partition plate 30 are both planar and parallel to each other, and the bottom surface of the groove 311 is planar and is disposed parallel to the top surface of the protruding strip 321.

In one or more embodiments of the present utility model, the bottom surface of the groove 311 is planar and is parallel to the top surface of the protruding strip 321, so as to simplify the manufacturing process of the groove 311 and the protruding strip 321. In some embodiments, the first surface 31 is concave into the groove 311 and the second surface 32 is convex into the protrusion 321 through a stamping process, wherein the bottom surface of the groove 311 is planar and is parallel to the top surface of the protrusion 321.

In some embodiments, referring to fig. 1-3, the thickness of divider plate 30 ranges from 0.2mm to 30mm.

In one or more embodiments of the present utility model, the separator plate 30 is provided with a smaller thickness, such that the thickness of the corresponding thermal management component 100 is smaller, increasing the overall energy density of the battery. And the thickness of the partition plate 30 is smaller so that the thermal resistance between the heat exchange medium filled in the first heat exchange flow channel 41 and the heat exchange medium filled in the second heat exchange flow channel 42 is reduced, which is beneficial to improving the heat dissipation efficiency.

Referring to fig. 4, fig. 4 is a schematic view of a test structure of the partition plate of the thermal management component provided in fig. 1 along another direction.

In some embodiments, referring to fig. 4, the thermal management component 100 includes a first edge 101 and a second edge 102 disposed opposite in a length or width direction. At least one of the plurality of first heat exchange flow channels 41 extends from a first edge 101 to a second edge 102; and/or at least one of the plurality of second heat exchange flow channels 42 extends from the first edge 101 to the second edge 102.

In one or more embodiments of the present utility model, by extending at least one of the plurality of first heat exchange channels 41 from the first edge 101 to the second edge 102 and/or extending at least one of the plurality of second heat exchange channels 42 from the first edge 101 to the second edge 102, a space through which a heat exchange medium can circulate is increased, so that the plurality of first heat exchange channels 41 and/or the plurality of second heat exchange channels 42 perform heat exchange with respect to the battery cells along a direction in which the first edge 101 points to the second edge 102, and a heat dissipation balance degree of the thermal management member 100 is improved. In some embodiments of the present utility model, the second heat exchange flow channel 42 extends in the manner of the first heat exchange flow channel 41 shown in fig. 4.

In some embodiments, referring to fig. 1-4, at least one of the plurality of first heat exchange flow channels 41 meanders from the first edge 101 to the second edge 102; and/or at least one of the plurality of second heat exchange flow passages 42 meanders from the first edge 101 to the second edge 102.

In an embodiment of the utility model, meandering extension means that the first heat exchange flow channel 41 and/or the second heat exchange flow channel 42 meanders along the direction of the first edge 101 towards the second edge 102.

In one or more embodiments of the present utility model, by at least one of the plurality of first heat exchange channels 41 extending from the first edge 101 to the second edge 102 in a meandering manner, and/or at least one of the plurality of second heat exchange channels 42 extending from the first edge 101 to the second edge 102 in a meandering manner, a heat exchange path of the first heat exchange channel 41 and/or the second heat exchange channel 42 is increased, which is beneficial to improving a heat dissipation effect of the corresponding thermal management component 100.

In some embodiments, referring to fig. 4, the first edge 101 and the second edge 102 are parallel to each other. The plurality of first heat exchange flow channels 41 and the plurality of second heat exchange flow channels 42 each comprise a straight section perpendicular to the first edge 101.

In the embodiment of the present utility model, the first edge 101 and the second edge 102 are parallel to each other, so that the thermal management component 100 has a regular shape along the direction of the first edge 101 pointing to the second edge 102, and is convenient to be assembled together with the battery cell to form the battery. The straight sections are perpendicular to the first edge 101, and in some embodiments, the first heat exchange flow channel 41 and/or the second heat exchange flow channel 42 may comprise a plurality of sequentially connected straight sections that meander. In some embodiments, the first heat exchange flow channel 41 and/or the second heat exchange flow channel 42 may further include a plurality of straight sections disposed at intervals and a bending section connecting any two adjacent straight sections; the bending section is arranged on one side of the straight section along the direction of the first edge 101 pointing towards the second edge 102. In some embodiments, the bending section may be V-shaped, arc-shaped or U-shaped, and is specifically set as required. Referring to fig. 4 and fig. 1 to 3, the meandering extension of the groove 311 on the first surface 31 in fig. 4 may be understood as the meandering extension of the first heat exchange flow channel 41 and/or the second heat exchange flow channel 42, in particular, the groove 311 comprises a flat portion 311a and a bent portion 311b, both sides of the bent portion 311b being connected with the flat portion 311a, wherein the bent portion 311b comprises a first section, a second section and a third section connected in sequence; the extending direction of the second section is parallel to the extending direction of the flat portion 311a, the first section connects the second section and one flat portion 311a, and the third section connects the second section and the other flat portion 311a.

In one or more embodiments of the present utility model, a specific scheme of meandering of the first heat exchange flow channel 41/the second heat exchange flow channel 42 is provided to increase the heat exchange path of the first heat exchange flow channel 41/the second heat exchange flow channel 42, so as to improve the heat dissipation effect of the corresponding thermal management component 100.

In some embodiments, referring to fig. 1-4, the plurality of first heat exchange flow channels 41 are axisymmetrically distributed and/or the plurality of second heat exchange flow channels 42 are axisymmetrically distributed.

In some embodiments, the plurality of first heat exchange flow channels 41 may be axisymmetrically distributed across the first surface 31. In some embodiments, the axes of the plurality of first heat exchange flow channels 41 that are axisymmetrically distributed may pass through the midpoint of the first edge 101 and the midpoint of the second edge 102 at the same time. In some embodiments, the plurality of second heat exchange flow passages 42 may be axisymmetrically distributed across the second surface 32. In some embodiments, the axes of the plurality of second heat exchange flow channels 42 that are axisymmetrically distributed may pass through the midpoint of the first edge 101 and the midpoint of the second edge 102 simultaneously.

In one or more embodiments of the present utility model, by arranging the first heat exchange flow channels 41 and/or the second heat exchange flow channels 42 in axisymmetric distribution, the regularity of the design of the first heat exchange flow channels 41 and/or the second heat exchange flow channels 42 is increased, so that a larger number of the first heat exchange flow channels 41 and/or the second heat exchange flow channels 42 are conveniently arranged.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a battery according to an embodiment of the present utility model.

In a second aspect, referring to fig. 1 and 5 in combination, an embodiment of the present utility model provides a battery 400 comprising any one of the thermal management features 100 and at least two oppositely disposed battery cells 200 as provided in the first aspect. The thermal management assembly 100 is disposed between adjacent two battery cells.

In an embodiment of the present utility model, the battery 400 includes a battery case and a plurality of battery cells 200 positioned in the battery case. In the battery 400, the plurality of battery cells 200 may be connected in series or parallel or a series-parallel connection, wherein a series-parallel connection refers to that the plurality of battery cells 200 are connected in series or parallel. The plurality of battery cells 200 can be directly connected in series or in parallel or in series-parallel, and then the whole formed by the plurality of battery cells 200 is accommodated in a battery box; of course, the battery 400 may also be a battery module formed by connecting a plurality of battery cells 200 in series or parallel or series-parallel connection, and a plurality of battery modules are then connected in series or parallel or series-parallel connection to form a whole and are accommodated in a battery case. The battery 400 may also include other structures, for example, the battery 400 may also include a bus member for making electrical connection between the plurality of battery cells 200. Wherein each battery cell 200 may be a secondary battery or a primary battery; and the lithium-sulfur battery, the sodium ion battery or the magnesium ion battery can be also used, and the lithium-sulfur battery, the sodium ion battery or the magnesium ion battery can be specifically arranged according to the needs. In some embodiments, the battery 400 further includes a heat exchange fluid 300 filled in the plurality of first heat exchange flow channels 41 and the plurality of second heat exchange flow channels 42. The heat exchange fluid 300 may be any fluid medium capable of achieving a heat dissipation effect. In some embodiments, the medium of the heat exchange liquid 300 may be water, or may be other media, which is specifically set according to needs.

In one or more embodiments of the present utility model, by providing the battery 400 including any of the thermal management components 100 provided in the embodiments of the present utility model, the overall heat dissipation effect of the battery 400 can be effectively improved, the overall performance degradation of the battery 400 caused by poor heat dissipation and even the occurrence of safety accidents can be reduced, the safety coefficient of the battery 400 can be further improved, and the application field of the battery 400 can be expanded; it is also possible to increase the number of assembled battery cells 200 in the battery 400 due to the thinner thickness of the thermal management member 100, thereby improving the energy density of the battery 400.

Referring to fig. 6, fig. 6 is a schematic structural diagram of an electric device according to an embodiment of the utility model.

In a third aspect, referring to fig. 6, an embodiment of the present utility model provides an electric device, including the battery 400 provided in the second aspect, the battery 400 being used for providing electric energy.

In the embodiment of the utility model, the power consumption device can be a mobile phone, a computer, an electric motorcycle, an electric automobile 500 and the like. The embodiment of the present utility model will be described with reference to the electric vehicle 500. The battery 400 is provided inside the electric vehicle 500, and the battery 400 may be provided at the bottom or the head or the tail of the electric vehicle 500. In some embodiments, the battery 400 is disposed at the bottom of the electric vehicle 500. The battery 400 may be used to power the electric vehicle 500, for example, the battery 400 may be used as an operating power source for the electric vehicle 500. The electric vehicle 500 may further include a controller 501 and a motor 502, the controller 501 being configured to control the battery 400 to power the motor 502, for example, for operating power requirements during start-up, navigation, and travel of the electric vehicle 500. In some embodiments of the present utility model, the battery 400 may be used not only as an operation power source of the electric vehicle 500, but also as a driving power source of the electric vehicle 500 to provide driving power for the electric vehicle 500.

In one or more embodiments of the present utility model, by providing the power consumption device including the battery 400 provided by the embodiments of the present utility model, performance indexes such as a heat dissipation effect and a safety factor of the power consumption device are improved, and service life of the power consumption device is improved.

In the several embodiments provided in the present utility model, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.

In addition, each functional unit in the embodiments of the present utility model may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.

The foregoing description is only of embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.

Claims (12)

1. A thermal management component, comprising:

a first heat exchange plate;

a second heat exchange plate;

the separation plate is arranged between the first heat exchange plate and the second heat exchange plate;

wherein the partition plate is bent for a plurality of times to form an undulating structure; the partition plate and the first heat exchange plate are clamped to form a plurality of first heat exchange flow passages; the separation plate and the second heat exchange plate are clamped to form a plurality of second heat exchange flow passages.

2. The thermal management component of claim 1, wherein a surface of the first heat exchange plate remote from the divider plate and a surface of the second heat exchange plate remote from the divider plate are both planar.

3. The thermal management component of claim 2, wherein the divider plate has a first surface proximate the first heat exchange plate and a second surface proximate the second heat exchange plate; the first surface part is recessed towards one side of the second heat exchange plate to form a plurality of grooves; the part of the second surface corresponding to the groove protrudes towards one side of the second heat exchange plate to form a plurality of raised strips; a gap is formed between two adjacent convex strips; the first heat exchange plate covers a plurality of grooves to form a plurality of first heat exchange flow passages; the second heat exchange plate covers a plurality of the gaps to form a plurality of the second heat exchange flow passages.

4. The thermal management component of claim 3, wherein at least one of a surface of the first heat exchange plate proximate the divider plate and a surface of the second heat exchange plate proximate the divider plate is planar;

the area of the first surface except the grooves is a plane and is attached to the first heat exchange plate; and/or, the second surface forms a plane on the top of the raised strip so as to be attached to the second heat exchange plate.

5. The thermal management component of claim 4, wherein the surface of the first heat exchange plate adjacent to the separator plate and the surface of the second heat exchange plate adjacent to the separator plate are planar and parallel to each other, and the bottom surface of the groove is planar and disposed parallel to the top surface of the ridge.

6. The thermal management component of claim 1, wherein the thickness of the divider plate ranges from 0.2mm to 30mm.

7. The thermal management component of claim 1, wherein the thermal management component comprises a first edge and a second edge disposed opposite in a length direction or a width direction; at least one of the plurality of first heat exchange flow channels extends from the first edge to the second edge; and/or at least one of the plurality of second heat exchange flow channels extends from the first edge to the second edge.

8. The thermal management component of claim 7, wherein at least one of the plurality of first heat exchange flow channels meanders from the first edge to the second edge; and/or at least one of the plurality of second heat exchange flow channels meanders from the first edge to the second edge.

9. The thermal management component of claim 8, wherein the first edge and the second edge are parallel to each other; the plurality of first heat exchange flow passages and the plurality of second heat exchange flow passages each include a straight section perpendicular to the first edge.

10. The thermal management component of claim 9, wherein a plurality of the first heat exchange flow passages are axisymmetrically distributed and/or a plurality of the second heat exchange flow passages are axisymmetrically distributed.

11. A battery, comprising: the thermal management component of any one of claims 1-10; at least two oppositely arranged battery cells; wherein the thermal management component is arranged between two adjacent battery cells.

12. An electrical device comprising the battery of claim 11 for providing electrical energy.